We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular lithium-polymer phone battery, flat with rounded corners, 77.30 by 64.68 by 3.86 mm

Cameron & Co

Cameron & Co DS-CS-BKF600SL cell phone battery 3.85V 3400mAh

SKU CH-Q4QV-MSG4F MPN DS-CS-BKF600SL

Replacement Li-Polymer battery for Vivo NEX and V1821 models, 3.85 V 3400 mAh capacity

  • 3400 mAh capacity extends daily usage
  • 85 V lithium-polymer chemistry matches original spec
  • 30 × 64.68 × 3.86 mm form factor fits Vivo NEX models
  • Replaces Vivo B-F6 and BBK B-F6 part numbers
  • Brand-new Cameron Sino cell with 100 % OEM compatibility

Compatible Vivo models

This replacement battery fits the Vivo NEX, NEX Dual Display and V1821 handsets. It matches the original B-F6 and BBK B-F6 part numbers for direct OEM compatibility. The cell is supplied new and ready to install.

Lithium-polymer cell specs

The pack uses Li-Polymer chemistry rated at 3.85 V and 3400 mAh for 13.09 Wh of energy. Physical dimensions are 77.30 x 64.68 x 3.86 mm in a black housing. No additional power electronics are included.

When to choose this battery

Owners of the listed Vivo phones who need a fresh 3.4 Ah cell will restore factory runtime. It does not serve other brands, higher-capacity requirements or multi-cell configurations.

Highlights

  • 3400 mAh capacity extends daily usage
  • 85 V lithium-polymer chemistry matches original spec
  • 30 × 64.68 × 3.86 mm form factor fits Vivo NEX models
  • Replaces Vivo B-F6 and BBK B-F6 part numbers
  • Brand-new Cameron Sino cell with 100 % OEM compatibility

Specifications

BrandCameron Sino
ModelDS-CS-BKF600SL

Questions about this item

How do I install the DS-CS-BKF600SL battery in my Vivo NEX Dual Display V1821, and what step do people often get wrong?

Power off the phone, remove the back cover, disconnect the old battery flex cable, fit the new 3.85V 3400mAh Li-Polymer pack, reconnect the cable securely, then reseal the cover; the step most often missed is pressing the connector fully home until it clicks.

What maintenance or replacement will the DS-CS-BKF600SL need later?

The 3.85V 3400mAh Li-Polymer pack requires no routine maintenance; plan to replace the battery when run-time noticeably shortens or the phone shuts down unexpectedly under load.

What limit appears first during sustained heavy use of the DS-CS-BKF600SL?

The 13.09 Wh capacity is the first limit; extended high-drain sessions will deplete the 3400mAh cell before any thermal throttle engages.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.